30779775

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{619}}^1$

素因数の和:665

約数の個数: 72

約数和(自身を含む): 62964720

約数和(自身を除く): 32184945

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 39, 45, 51, 65, 75, 85, 117, 153, 195, 221, 225, 255, 325, 425, 585, 619, 663, 765, 975, 1105, 1275, 1857, 1989, 2925, 3095, 3315, 3825, 5525, 5571, 8047, 9285, 9945, 10523, 15475, 16575, 24141, 27855, 31569, 40235, 46425, 49725, 52615, 72423, 94707, 120705, 136799, 139275, 157845, 201175, 263075, 362115, 410397, 473535, 603525, 683995, 789225, 1231191, 1810575, 2051985, 2367675, 3419975, 6155955, 10259925, 30779775]

約数ペア:

[(1, 30779775), (3, 10259925), (5, 6155955), (9, 3419975), (13, 2367675), (15, 2051985), (17, 1810575), (25, 1231191), (39, 789225), (45, 683995), (51, 603525), (65, 473535), (75, 410397), (85, 362115), (117, 263075), (153, 201175), (195, 157845), (221, 139275), (225, 136799), (255, 120705), (325, 94707), (425, 72423), (585, 52615), (619, 49725), (663, 46425), (765, 40235), (975, 31569), (1105, 27855), (1275, 24141), (1857, 16575), (1989, 15475), (2925, 10523), (3095, 9945), (3315, 9285), (3825, 8047), (5525, 5571)]